Add Yahoo as a preferred source to see more of our stories on Google. Researchers discovered that Northern resident killer whales hunt by going silent and eavesdropping on dolphin echolocation to ...

For the first time ever, a unique cooperative hunting arrangement between dolphins and orcas has been documented. Researchers believe killer whales find salmon by tailing dolphins, who in turn benefit ...

Off the coast of British Columbia, researchers have reported something that looks a lot like teamwork between two predators that don’t usually get credit for cooperating: Orcas (a.k.a. killer whales) ...

Off the coast of British Columbia, dolphins lead killer whales to salmon and earn their share of lunch, a new study reveals. A new study is the first to document cooperative hunting between orcas and ...